日期	单位净值
2017-04-21	0.9830
2017-04-21	0.9830
2017-04-17	0.9726
2017-04-17	0.9726
2017-04-14	0.9689
2017-04-14	0.9689
2017-04-07	0.9738
2017-04-07	0.9738
2017-03-31	0.9731
2017-03-31	0.9731
2017-03-24	0.9765
2017-03-24	0.9765
2017-03-17	0.9534
2017-03-17	0.9534
2017-03-15	0.9572
2017-03-15	0.9572